And though most scientists hail vaccines as one of public health’s greatest achievements, they have provoked fear, distrust, and contentious resistance since Edward Jenner invented the first vaccine, to prevent smallpox, in the late 1700s.
这一日的波澜远不止于这片刻的追想。此后数小时，当他们转而寻访外祖父许桐芝一脉的亲戚时，空气陡然冷却。陈润庭看得分明，这些许家亲戚更在意的是在场同乡的目光与自己父母的身份，对于这位远道而来的外甥，更多的是一种公事公办的疏离。杜耀豪后来也多次调侃，这群一身黑西装、时刻叼着烟的男人，身上有种“Mafia（黑手党）”的冷硬气息。
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While fake honey is sometimes runnier and weaker-tasting than genuine honey, sophisticated fakes can look, smell and taste just like the real thing. Inauthentic honey can also fool chemical analysis, because the sugar levels are so similar.
Like hundreds of farmers and citizens of rural towns perched on the slopes of Europe’s highest and most active volcano, the 41-year-old’s family has had to deal with the nuisance of falling volcanic ash for generations. But it is only in recent years that the quantity of ash has become so excessive that it required an alternative approach.
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